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5-day forecast / Allen, TX

TuesdaySunny102° / 81°
WednesdaySunny101° / 82° 1%
ThursdayMostly Sunny101° / 82° 2%
FridayMostly Sunny102° / 82° 6%
SaturdaySunny100° / 77° 8%

Heat Advisory in Effect for Allen as Feels-Like Temps Hit 103F - Jul 20, 4 PM

Allen weather, updated every four hours — local forecasts you can trust.

A Heat Advisory is active for Allen, TX, with dangerous heat index values reaching 108F tomorrow. Current conditions show a feels-like temperature of 103F under clear skies.

Zane Lowery

July 20, 20262 min read

National Weather Service radar for North Texas (KFWS)
National Weather Service radar for North Texas (KFWS)

*As of Jul 20, 4 PM local time.*

Dangerous Heat Conditions Underway

A Heat Advisory is currently in effect for Allen, Texas, signaling dangerous heat conditions for the region. The National Weather Service has issued this moderate-severity alert due to high temperatures and humidity levels that will make the air feel significantly hotter than the actual air temperature.

Right now, the air temperature stands at 95F, but the heat index makes it feel like 103F. The relative humidity is at 47%, with a dew point of 72F, indicating quite humid conditions that contribute to the oppressive heat. Winds are blowing from the south at 10 mph, with gusts reaching 11 mph, while the sky remains clear.

Forecast for Today and Tomorrow

Today, the sun will remain out with a high near 100F. The heat index is expected to reach as high as 107F during the day. South winds will be around 5 mph. The chance of precipitation is low at 6%.

Tonight, skies will stay clear with a low around 81F. However, temperatures will rise to around 83F overnight, keeping the heat index as high as 105F. South winds will persist at 5 to 10 mph.

Tomorrow, the heat will intensify further. Expect sunny skies with a high near 103F. The heat index could climb to 108F, making it feel even hotter than the actual temperature. West winds will be around 5 mph. The chance of rain is minimal at 1%.

Safety Reminders

Given the active Heat Advisory and the dangerous heat index values, it is crucial to take precautions. Stay hydrated by drinking plenty of water, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

Check on neighbors, particularly the elderly and those without air conditioning, to ensure their safety. If you must be outside, seek shade and wear lightweight, light-colored clothing to help manage the heat.

National Weather Service radar for North Texas (KFWS)

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com

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Zane Lowery

Zane Lowery covers weather, storms, and seasonal life around Allen.

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